Pre-Monsoon rains and thundershowers or what is famously known as 'Kalbaisakhi' or Nor'Westers have been lashing parts of West Bengal for over a week now. Rains of varying intensity, along with thundershowers, thunderstorm and lightning strikes were witnessed by almost all parts of the state including state capital of Kolkata.
In the past 24 hours, there have been light rains with one or two moderate spells over Digha, Bankura, Purulia and Shantiniketan. These weather activities are expected to continue for the coming two days as well but it would be light in nature. Most of the activities could also originate because of local weather conditions during later part of the day. Midnapore, Kolkata, Diamond Harbour would get to witness these light rains.
Mentioning it again, these activities would take place during the later afternoon or evening hours. Thus, people across the state and Kolkata would have bear with sultry weather conditions on account of high humidity.
As we progress further, we would see more of pre-Monsoon weather activities. Although after two days, activates are likely to take a break but as the temperatures increase they would pave way for pre-Monsoon rains or thunderstorms. Days would be warm and humid but evening would be fairly pleasant during these days.
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West Bengal enjoys excess rainfall this pre-Monsoon season
Gangetic West Bengal is the rainiest pocket and has had the exception of excess rainfall for March when the entire country witnessed deficit rainfall. As on April 8, Gangetic West Bengal was excess by 42%, while pan India was deficit by 41%.
This trend for Gangetic West Bengal continued for the first eight days of April as well and at present, rainfall is more than normal. It has till date received 31.1 mm of rainfall against the normal of 7.9 mm, which is four times the normal. Hence, the total excess has now jumped to 98% for the season, i.e. March- April 8.
Gangetic West Bengal sees less failure in pre-Monsoon. In 2017 and 2018 also, this pocket witnessed good rains and was normal. While, in 2013 it was 61% excess during pre-Monsoon. However, in 2012 it was deficit for the season by 31%. We can say that large variability is seen. This time as well, it seems it is not going to disappoint, it will be either normal or beyond that.
Also Read: Yet another thundery and rainy day for Kolkata, Jamshedpur and Bokaro
Image Credit: Brett Cole
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